// Copyright (c) 2023 Proton Technologies AG
//
// This file is part of Proton Mail.
//
// Proton Mail is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Proton Mail is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Proton Mail. If not, see https://www.gnu.org/licenses/.

import Combine
import CoreData
import LifetimeTracker

final class ContactPublisher: DataPublisher<Contact> {
    init(
        contextProvider: CoreDataContextProviderProtocol,
        contactID: ContactID
    ) {
        let predicate = NSPredicate(
            format: "%K == %@",
            Contact.Attributes.contactID,
            contactID.rawValue
        )
        let sortDescriptor = NSSortDescriptor(
            key: Contact.Attributes.name,
            ascending: true,
            selector: #selector(NSString.caseInsensitiveCompare(_:))
        )
        super.init(
            entityName: Contact.Attributes.entityName,
            predicate: predicate,
            sortDescriptors: [sortDescriptor],
            contextProvider: contextProvider
        )

        trackLifetime()
    }
}

extension ContactPublisher: LifetimeTrackable {
    static var lifetimeConfiguration: LifetimeConfiguration {
        .init(maxCount: 1)
    }
}
